Commit on .NET Data provider throws NullReferenceException. -----------------------------------------------------------
Key: DNET-689 URL: http://tracker.firebirdsql.org/browse/DNET-689 Project: .NET Data provider Issue Type: Bug Components: ADO.NET Provider Affects Versions: 4.10.0.0 Environment: Server: Windows 2012 R2 x64 Application: .Net Framework 4.5, Firebird .NET Provider 4.10.0.0, EF 6.0.0.0 Reporter: Christian B Assignee: Jiri Cincura Sometimes following error occurs, when we try to executing a procedure on database like this: db.Database.ExecuteSqlCommand("execute procedure...") An error was reported while committing a database transaction but it could not be determined whether the transaction succeeded or failed on the database server. See the inner exception and http://go.microsoft.com/fwlink/?LinkId=313468 for more information. System.Data.Entity.Infrastructure.CommitFailedException CommitFailedException System.Data.Entity.Infrastructure.CommitFailedException: An error was reported while committing a database transaction but it could not be determined whether the transaction succeeded or failed on the database server. See the inner exception and http://go.microsoft.com/fwlink/?LinkId=313468 for more information. ---> System.NullReferenceException: Object reference not set to an instance of an object. at FirebirdSql.Data.Client.Managed.Version10.GdsTransaction.Commit() in C:\Users\Jiri\Documents\devel\NETProvider\working\NETProvider\src\FirebirdSql.Data.FirebirdClient\Client\Managed\Version10\GdsTransaction.cs:line 172 at FirebirdSql.Data.FirebirdClient.FbTransaction.Commit() in C:\Users\Jiri\Documents\devel\NETProvider\working\NETProvider\src\FirebirdSql.Data.FirebirdClient\FirebirdClient\FbTransaction.cs:line 142 at System.Data.Entity.Infrastructure.Interception.DbTransactionDispatcher.<Commit>b__c(DbTransaction t, DbTransactionInterceptionContext c) at System.Data.Entity.Infrastructure.Interception.InternalDispatcher`1.Dispatch[TTarget,TInterceptionContext](TTarget target, Action`2 operation, TInterceptionContext interceptionContext, Action`3 executing, Action`3 executed) --- End of inner exception stack trace --- at System.Data.Entity.Infrastructure.Interception.InternalDispatcher`1.Dispatch[TTarget,TInterceptionContext](TTarget target, Action`2 operation, TInterceptionContext interceptionContext, Action`3 executing, Action`3 executed) at System.Data.Entity.Infrastructure.Interception.DbTransactionDispatcher.Commit(DbTransaction transaction, DbInterceptionContext interceptionContext) at System.Data.Entity.Core.EntityClient.EntityTransaction.Commit() at System.Data.Entity.Core.Objects.ObjectContext.ExecuteInTransaction[T](Func`1 func, IDbExecutionStrategy executionStrategy, Boolean startLocalTransaction, Boolean releaseConnectionOnSuccess) at System.Data.Entity.Core.Objects.ObjectContext.<>c__DisplayClass59.<ExecuteStoreCommand>b__57() at System.Data.Entity.Infrastructure.DefaultExecutionStrategy.Execute[TResult](Func`1 operation) at System.Data.Entity.Core.Objects.ObjectContext.ExecuteStoreCommand(TransactionalBehavior transactionalBehavior, String commandText, Object[] parameters) at System.Data.Entity.Internal.InternalContext.ExecuteSqlCommand(TransactionalBehavior transactionalBehavior, String sql, Object[] parameters) at System.Data.Entity.Database.ExecuteSqlCommand(TransactionalBehavior transactionalBehavior, String sql, Object[] parameters) at System.Data.Entity.Database.ExecuteSqlCommand(String sql, Object[] parameters) System.Action`3[TInterceptor,TTarget,TInterceptionContext], System.Action`3[TInterceptor,TTarget,TInterceptionContext]) at System.Data.Entity.Infrastructure.Interception.InternalDispatcher`1.Dispatch[TTarget,TInterceptionContext](TTarget target, Action`2 operation, TInterceptionContext interceptionContext, Action`3 executing, Action`3 executed) at System.Data.Entity.Infrastructure.Interception.DbTransactionDispatcher.Commit(DbTransaction transaction, DbInterceptionContext interceptionContext) at System.Data.Entity.Core.EntityClient.EntityTransaction.Commit() at System.Data.Entity.Core.Objects.ObjectContext.ExecuteInTransaction[T](Func`1 func, IDbExecutionStrategy executionStrategy, Boolean startLocalTransaction, Boolean releaseConnectionOnSuccess) at System.Data.Entity.Core.Objects.ObjectContext.<>c__DisplayClass59.<ExecuteStoreCommand>b__57() at System.Data.Entity.Infrastructure.DefaultExecutionStrategy.Execute[TResult](Func`1 operation) at System.Data.Entity.Core.Objects.ObjectContext.ExecuteStoreCommand(TransactionalBehavior transactionalBehavior, String commandText, Object[] parameters) at System.Data.Entity.Internal.InternalContext.ExecuteSqlCommand(TransactionalBehavior transactionalBehavior, String sql, Object[] parameters) at System.Data.Entity.Database.ExecuteSqlCommand(TransactionalBehavior transactionalBehavior, String sql, Object[] parameters) at System.Data.Entity.Database.ExecuteSqlCommand(String sql, Object[] parameters) NullReferenceException Object reference not set to an instance of an object. 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